Home / 141,278.85-194,955.93-129,993.93

Finding the Fourth Proportional to 141,278.85, 194,955.93 and 129,993.93

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Solution

The fourth proportional to 141,278.85, 194,955.93 and 129,993.93 is: 179,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,278.85 : 194,955.93 = 129,993.93 : x
  2. Step 2: Convert to fraction form
    141,278.85/194,955.93 = 129,993.93/x
  3. Step 3: Cross multiply
    141,278.85x = 194,955.93 × 129,993.93
  4. Step 4: Simplify right side
    141,278.85x = 25,343,087,517.50
  5. Step 5: Solve for x
    x = 25,343,087,517.50/141,278.85
  6. Step 6: Final answer
    x = 179,383.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.